Did you know Type III appliances differ from Type II appliances in that they operate in a vacuum on their low-pressure sides and sometimes on their high-pressure sides, which affects what happens when they develop a leak? When a Type III appliance develops a leak in a location that is under vacuum, air and/or moisture leaks in. In this interactive online course, we will cover the EPA 608 Type III certification exam, the techniques that are used to recover refrigerant, evacuation requirements and safety considerations for working with or around refrigerants.
